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Cheap flights from Sydney to San Diego from $858

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SAN
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from Sydney Kingsford Smith to San Diego are usually found in August or May, booked 32 days in advance, depart on a Monday or Thursday and return on a Monday

Cheap flight deals from Sydney to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 June 2025.

Round-trip from

$1,385

One-way from

$858

Popular in

December

Cheapest in

August

Average price

$1,758
20/7-31/7
  • 20/7-31/7
  • 3 total stops
  • 62h 25m total
  • Sydney to San Diego
Air Canada
  • Air Canada
  • 28/10
  • 1 total stop
  • 27h 05m total
  • Sydney to San Diego
Highest demand for flights based on searches. 14% potential increase in price ($480 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($88 potential savings vs. average return price).
Average for round-trip flights in June 2025

Find flight deals from Sydney to San Diego

Cheapest flights from Sydney to San Diego
Explore the most affordable flight options available from Sydney to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Sun 20/716:20SYD - SAN
2 stops34h 30mMultiple Airlines
Thu 31/717:45SAN - SYD
1 stop27h 55mMultiple Airlines
Deal found 12/6$1,385
Tue 29/709:25SYD - SAN
1 stop16h 53mDelta
Mon 8/906:20SAN - SYD
1 stop31h 15mDelta
Deal found 12/6$1,428
Sun 10/821:40SYD - SAN
1 stop26h 20mAlaska Airlines
Sun 17/818:58SAN - SYD
2 stops31h 47mAlaska Airlines
Deal found 10/6$1,437
Sun 10/821:40SYD - SAN
1 stop26h 20mHawaiian Airlines
Sun 17/817:45SAN - SYD
1 stop33h 00mHawaiian Airlines
Deal found 10/6$1,451
Sat 26/711:50SYD - SAN
2 stops28h 54mAir New Zealand
Sat 2/810:49SAN - SYD
2 stops28h 56mAir New Zealand
Deal found 11/6$1,526
Sat 26/709:20SYD - SAN
1 stop19h 37mAir Canada
Sat 2/817:00SAN - SYD
2 stops35h 40mAir Canada
Deal found 11/6$1,805
Tue 1/710:20SYD - SAN
2 stops27h 18mUnited Airlines
Wed 16/710:54SAN - SYD
2 stops27h 01mUnited Airlines
Deal found 12/6$2,226
Tue 1/717:45SYD - SAN
2 stops21h 03mAmerican Airlines
Wed 16/712:32SAN - SYD
2 stops25h 33mAmerican Airlines
Deal found 11/6$2,654

Cheapflights Fare Finder

Customise your flight search to find flights from Sydney to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 13 June 2025.
Use the filters below to find and compare flights from Sydney to San Diego that are best for you.

Fly from

Sydney

Fly to

San Diego

Route

Depart

Return

Price

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 20/7

16:20-09:50

2 stops34h 30m

San Diego

Thu 31/7

17:45-14:40

1 stop27h 55m

$1,385

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 29/7

09:25-09:18

1 stop16h 53m

San Diego

Mon 8/9

06:20-06:35

1 stop31h 15m

$1,428

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 10/8

21:40-07:00

1 stop26h 20m

San Diego

Sun 17/8

18:58-19:45

2 stops31h 47m

$1,437

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 10/8

21:40-07:00

1 stop26h 20m

San Diego

Sun 17/8

17:45-19:45

1 stop33h 00m

$1,451

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sat 26/7

11:50-23:44

2 stops28h 54m

San Diego

Sat 2/8

10:49-08:45

2 stops28h 56m

$1,526

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sat 26/7

09:20-11:57

1 stop19h 37m

San Diego

Sat 2/8

17:00-21:40

2 stops35h 40m

$1,805

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 1/7

10:20-20:38

2 stops27h 18m

San Diego

Wed 16/7

10:54-06:55

2 stops27h 01m

$2,226

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 1/7

17:45-21:48

2 stops21h 03m

San Diego

Wed 16/7

12:32-07:05

2 stops25h 33m

$2,654

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 28/10

10:20-19:25

1 stop27h 05m

$858

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 12/8

09:30-20:50

3 stops28h 20m

$995

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Best time to book a flight from Sydney to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Sydney with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sydney to San Diego

How far ahead should I book a flight from Sydney to San Diego?

Use this chart to determine the optimal time to book a return flight from Sydney to San Diego. Price data was last updated on 9 June 2025.

The price you pay for your flight from Sydney to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 32 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Sydney to San Diego?

Currently, March is the cheapest month in which you can book a flight from Sydney to San Diego (average of $924). Flying from Sydney to San Diego in December is currently the most expensive (average of $1,587). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SYD to SAN?

Find hourly flight availability from Sydney to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2025.

It’s typically best to fly out from Sydney to San Diego in the evening. Doing so could potentially save you 36% on the flight price compared to flying at midday, which is usually more expensive.

What is the cheapest day to fly from Sydney to San Diego?

Use this chart to determine the cheapest time to fly return from Sydney to San Diego. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Sydney to San Diego flight should consider departing on Thursday afternoons when fares are most often at their lowest. Friday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 58.0 inches per month. February is typically the wettest month, when rainfall can reach 58.0 mm. July is typically the driest time to visit San Diego when rainfall is around 0.0 mm.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated 13 June 2025.

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very Good

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Sydney to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from Sydney to San Diego round-trip?

    Delta, at $1,428, was found to be the cheapest airline from Sydney to San Diego.Alternate airlines to your destination round-trip include Alaska Airlines and Hawaiian Airlines. Users have found that Delta is 20% cheaper than the other options available to this destination.

  • Can I find deals for flights from Sydney to San Diego that include hotel bookings?

    Yes. In addition to deals on Sydney to San Diego flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to San Diego.

  • Can I find deals for business class flights from Sydney to San Diego?

    Yes. Cheapflights offers flight deals from Sydney to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sydney to San Diego?

    Currently, March is the cheapest month in which you can book a flight from Sydney to San Diego (average of $924). Flying from Sydney to San Diego in December is currently the most expensive (average of $1,587). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Sydney to San Diego

Discover the top 5 airlines that operate flights from Sydney to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Air New ZealandCheapest$1,197Average$1,373FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Air CanadaCheapest$1,211Average$1,606FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Hawaiian AirlinesCheapest$1,316Average$1,617FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
United AirlinesCheapest$1,381Average$1,774FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,653Average$2,350FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Sydney to San Diego?

When you search for this flight from Sydney to San Diego, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Sydney to San Diego?

Cheapflights helps you find that perfect flight to San Diego from Sydney by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Sydney to San Diego with no change fees?

Need flexible booking options for your flight to San Diego from Sydney? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Sydney to San Diego become cheaper?

Yes! Start tracking prices for Sydney to San Diego flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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